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Ultem PEI Rods 65mm 70mm 75mm – Amber & Black High Temp Plastic Bars

Ultem PEI Rods 65mm 70mm 75mm – Amber & Black High Temp Plastic Bars

1000 in stock

Regular price $212.00 USD
Sale price $212.00 USD Regular price $135.00 USD
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Estimated delivery: 12-26 days (Standard delivery (free shipping by default)), 3-6 days (Expedited delivery 「Expedited delivery fee required」).

Returnable within 35 days of purchase for quality issues. Duties and taxes are non-refundable.

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Description

Ultem PEI Rods – 65mm 70mm 75mm Amber & Black High-Temperature Plastic Bars for CNC Machining and Industrial Applications

Upgrade your engineering materials with our Ultem PEI rods in 65mm, 70mm, and 75mm diameters and 500mm (19.69 inches) length. Available in amber (natural) and black, these high-performance rods are made of 100% virgin polyetherimide (PEI), offering outstanding heat resistance, dimensional stability, and machinability. Whether you're working in aerospace, medical, semiconductor, or food processing, these rods are engineered to deliver reliability where it counts.

PEI plastic round rods are commonly used in precision machining for high-heat, chemically demanding, and structurally intense environments. Choose BeePlastic for diverse material options, advanced customization capabilities, and a commitment to helping customers reduce material waste and project costs.

Key Benefits of Ultem PEI Round Rods – Precision, Performance, and Custom Options

  • High heat resistance – Continuous use at up to 340°F (170°C), ideal for high-temp parts

  • Excellent mechanical strength – Rigid, stiff, and creep-resistant for demanding mechanical loads

  • Chemically durable – Resistant to acids, bases, oils, solvents, and cleaning agents

  • Fire safety compliant – Flame retardant and low smoke emission properties

  • Stable and machinable – Perfect for tight tolerance CNC lathe, mill, or router work

  • Available in amber and black colors – For aesthetic or identification purposes

Applications include: aerospace components, under-the-hood automotive parts, medical devices, chip fabrication fixtures, heat-resistant housings, custom insulators, and more.

Standard Sizes Available – With mm and Inch Dimensions

Diameter (mm) Diameter (inch) Length Color Options
65mm 2.56" 500mm (19.69") Amber / Black
70mm 2.76" 500mm (19.69") Amber / Black
75mm 2.95" 500mm (19.69") Amber / Black

Need something different? We offer custom cut-to-length Ultem rods, OEM part fabrication, and machining services tailored to your CAD or technical drawings.

Why Engineers and Manufacturers Trust BeePlastic

At BeePlastic, we’re not just plastic suppliers—we’re your manufacturing partner. With a wide selection of materials like PEI, PEEK, PTFE, PPS, and more, we help clients across aerospace, medical, and electronics industries solve technical challenges.

  • Extensive material options to meet diverse project demands

  • Custom plastic machining with fast turnaround

  • 1-on-1 technical support to answer material and design questions

  • Competitive pricing & bulk discounts to reduce your costs

  • Global shipping & logistics support

Whether you're prototyping or scaling up, we’ll help you optimize every step of the process.

Ready to Place an Order or Request a Custom Quote?

Looking for a quick purchase? Choose your standard size and add to cart now.
Need something custom? We’re happy to help.

👉 Buy Now: Choose 65mm, 70mm or 75mm in Amber or Black
👉 Get a Custom Quote: Tell us your length, shape, or processing needs

Frequently Asked Questions About Ultem PEI Rods

Q: Can you cut Ultem rods to a custom length?
Yes, we offer CNC cutting and length customization based on your request. Just send us the specs.

Q: What’s the difference between amber and black PEI?
Amber is the natural color of virgin PEI (Ultem 1000). Black versions are often pigmented and may have slightly different thermal or UV properties depending on application needs.

Q: Is Ultem PEI suitable for food-grade or medical-grade use?
Amber Ultem (unfilled) may be compliant with certain FDA or USP Class VI requirements. Contact us for datasheets to confirm compatibility for your specific use case.

Q: What’s the MOQ for bulk or OEM machining orders?
We support low-volume prototype runs and large-scale production. No MOQ for stock items; custom project MOQ depends on complexity—contact us for details.

Your High-Performance PEI Plastic Rod Source – Let’s Build Something Stronger

When it comes to high temperature plastic rods that deliver precision, Ultem PEI stands out. Whether you’re replacing metal in a lightweight structure, insulating components in heat-critical environments, or fabricating complex parts, we have the stock, skills, and service to support your next breakthrough.

👉 Click “Add to Cart” to buy now
👉 Or [Contact Us] to request a quote for custom machining or bulk orders

Why Choose Us

Your Strategic Partner for High-Performance Plastic Manufacturing & Supply

In industries where performance, reliability, and precision are paramount, your choice of a manufacturing partner is a critical decision. For over 15 years, BeePlastic has been the trusted source for engineers and procurement managers who require flawless execution, from complex custom components to a reliable supply of high-grade raw materials.

An extensive range of engineering and high-performance plastic stock shapes including rods, sheets, and bars.

Engineered for Partnership: How We De-Risk Your Supply Chain

We understand that our role is to provide certainty. Our entire operation is built on a foundation of rigorous processes designed to deliver predictable excellence and give you peace of mind.

A Collaborative Approach

We begin every partnership by becoming an extension of your team. Our mandatory Tri-Departmental DFM (Design for Manufacturability) Summit ensures that your design is not just manufacturable, but optimized for performance, cost, and longevity. This proactive, consultative process, involving our engineering, production, and service leaders, is our upfront investment in your project's success.

The BeePlastic engineering team collaborating on a custom plastic processing solution.

A Commitment to Quality

Precision is not a goal; it's our baseline. We hold a standard tolerance of ±0.03mm (±0.0012") on our CNC machined components. This unwavering commitment to quality is verified through stringent, multi-point inspections. For you, this means reduced assembly friction, predictable performance, and the confidence that every part is a perfect replica of your design.

A BeePlastic quality assurance specialist conducting a detailed inspection on a machined part.

A Complete Manufacturing Ecosystem

We provide a comprehensive suite of in-house manufacturing capabilities, allowing you to streamline your supply chain and ensure consistent quality from a single, trusted partner.

Precision CNC Plastic Machining

As the cornerstone of our operation, we utilize advanced 3, 4, and 5-axis CNC mills and lathes to produce parts with intricate geometries and tight tolerances. From high-performance materials like PEEK and PTFE to engineering plastics like Nylon and Acetal, our experienced machinists and calibrated equipment deliver unparalleled accuracy and surface finish.

Explore Our CNC Capabilities →
A state-of-the-art CNC machine in operation at the BeePlastic facility.
A collage of successful custom plastic fabrication projects and case studies.

Custom Plastic Fabrication & Assembly

Our capabilities extend far beyond machining. Our skilled fabrication department provides a range of value-added services, including heat bending, plastic welding, chemical bonding, and complex assembly. This allows us to deliver not just components, but complete, fully integrated solutions ready for immediate implementation in your product line.

See Our Fabrication Case Studies →

Additional Services & Modern Processes

To support every stage of your product's lifecycle, we also offer scalable injection molding for high-volume production, high-detail laser cutting and engraving for materials like Acrylic, and precision cut-to-size services for raw material preparation.

An icon representing BeePlastic's commitment to modern and sustainable manufacturing processes.

The Engineer's Material Science Hub

Selecting the optimal material is one of the most critical decisions in product design. This comprehensive guide serves as an authoritative resource for you to compare our inventory of over 22 engineering and high-performance plastics. Our team is always available to provide expert consultation to ensure you make the perfect choice for your application's mechanical, thermal, and chemical requirements.

Material (Click to Explore) Common Applications Key Performance Properties BeePlastic Machining & Fabrication Insights
ABS Automotive dashboards, electronic housings Good impact resistance & toughness, easy to machine Highly versatile and cost-effective. Ideal for prototypes and aesthetic parts.
Acrylic Point-of-sale displays, lenses, light guides Excellent optical clarity, UV resistant Perfect for laser cutting to achieve polished edges. We machine for precision optics.
Bakelite (Phenolic) Electrical insulators, terminal boards, jigs Superior electrical insulation, high rigidity, heat resistant We use specific tooling to prevent chipping, delivering smooth, precise insulating components.
FR-4 / G-10 PCBs, insulators, high-strength structural parts High mechanical strength, flame retardant (FR-4), low moisture absorption Our expertise prevents delamination while machining these abrasive materials.
HDPE Piping systems, cutting boards, chemical tanks Excellent chemical resistance, high strength-to-density ratio, FDA grades Ideal for cost-effective, robust parts. We achieve clean cuts with proper tooling.
Nylon (PA) Gears, bearings, rollers, automotive parts High mechanical strength, good wear resistance Excellent for durable, load-bearing parts. We can advise on managing moisture absorption.
PAI High-performance seals, bearings, aerospace parts Exceptional strength & stiffness at high temperatures Requires robust tooling. Our experience minimizes part stress and ensures accuracy.
PC (Polycarbonate) Safety glasses, machine guards, electronic housings Extremely high impact resistance, good clarity We machine PC to be robust and clear. Stress relief annealing is performed when required.
PEEK Aerospace parts, medical implants, semiconductor parts Exceptional high-temp & chemical resistance, biocompatible grades A core specialty. Our proven processes achieve critical precision on PEEK components.
PEI Medical components, aircraft interior parts High strength at elevated temps, flame retardancy Ideal for sterilizable parts. We manage specific annealing requirements for stress relief.
PET Beverage bottles, food containers, machine guards High strength & stiffness, excellent clarity (PETG) We ensure optimal clarity in machined PETG parts, which offer better impact resistance than Acrylic.
PI (Polyimide) Aerospace components, high-temp insulators Outstanding high-temperature performance Demands specialized techniques due to hardness & abrasiveness. We ensure tight tolerances.
POM (Acetal) Precision gears, bearings, fuel system components High stiffness, low friction, excellent dimensional stability One of the most machinable plastics. We stock various grades for your specific needs.
PP (Polypropylene) Packaging, automotive components, living hinges Excellent chemical resistance, low density, weldable A versatile choice for injection molding and CNC machining in cost-sensitive applications.
PPS Automotive under-hood, pump & valve parts Excellent high-temp & chemical resistance Challenging to machine due to its abrasive nature. We use appropriate tooling.
PTFE Non-stick coatings, seals, gaskets, chemical liners Extremely low friction, outstanding chemical inertness We employ specialized tooling and techniques (like etching for bonding) to achieve results.
PU (Polyurethane) Seals, gaskets, wheels, shock absorbers Wide range of hardness, excellent abrasion resistance Machinability varies with type. We have experience with various forms for custom parts.
PVC Pipes & fittings, window frames, chemical tanks Good chemical resistance, durable, cost-effective Rigid PVC machines well. We can advise on the appropriate grade for your application.
PVDF High-purity fluid handling, chemical equipment Excellent chemical resistance (especially to halogens), UV resistant We ensure no contamination when processing for high-purity applications.
Silicone Rubber Seals, gaskets, O-rings, medical tubing, keypads Excellent thermal stability, flexible at low temps, biocompatible Expertise in silicone molding (LSR, compression), die-cutting, and custom compounding.
UHMW-PE Conveyor components, wear strips, food equipment Exceptional abrasion resistance, low coefficient of friction We optimize cutting speeds and use sharp tooling to achieve smooth finishes and prevent melting.

Let's Build Your Next Great Component

Your project deserves a partner dedicated to precision, quality, and proactive communication. Contact our engineering team today to get a detailed, no-obligation quote and discover the BeePlastic difference.


A BeePlastic engineer inspecting a finished component, representing quality and expertise.

"BeePlastic provided exceptional custom solutions. Their professionalism and quality are unmatched."
- Satisfied Industrial Client

Free shipping & Returns
Reviews

01 💭When can I ship my order? 🧠What logistics channels do you use? 💡What are the logistics fees?


💭A: Regular specifications are usually shipped within 48 hours; customized orders depending on the complexity of processing, usually 3~7 days.

🧠A: We use standard distribution logistics for free shipping (usually takes 15~25 days), if you use expedited shipping with multiple logistics (DHL, FedEx, UPS, EMS, FS, etc.), you can choose the most suitable way according to your location and needs. If you need expedited, please contact us to confirm!

💡A: We use our standard delivery logistics by default, no freight charge for standard delivery, if you need fast delivery, you need to contact us for confirmation and charge the freight with the actual quotation of the logistics provider, the specific cost needs to be provided with the receiving address and confirmed with the logistics provider and sent to the customer.

02 💡Can I return or exchange an item?🧠 How do I request a return?


💡A: For regular in-stock products, they can be returned or exchanged within 7 days after receipt (need to keep in good condition). Customized processed or plastic material cut products can not be sold twice, unless quality problem, generally do not support return or exchange.

🧠A: If quality problem, please contact us first by email and provide order number, we will give return address and process. The shipping cost will be borne by the buyer, except for quality issues.

03 💡What payment methods are supported? 🧠What if I can't pay? 💭Can I get a discount for large orders?


💡A: PayPal and bank transfer are the main payment methods on our website. If you need other methods, please contact our customer service.

🧠A: If you are unable to pay or need other ways, please communicate with our customer service, you can submit a contact form to our [Contact us] page or click on the right side of the real-time chat window to leave a message.

💭A: Large orders have corresponding discounts, you can directly communicate with our customer service.

04 💭Can't find the size I need, what custom machining do you offer? 💡What are the MOQ requirements?

💭A: We can cut to specified lengths, thicknesses, diameters, and also do preliminary CNC/lathe machining. Please see the customization page or contact us for details.

💡A: There is no minimum order for regular materials. For CNC or special processing, there may be a certain MOQ requirement; please contact us for details.

05 💭How can I track my order?


💭A: You will receive a confirmation email after placing an order, and the waybill number will be attached after shipment; you can also check the logistics news on the “My Orders” page, or enter the waybill number into [https://www.17track.net/] for inquiry.

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